title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 35-1981.
mesh_terms: D000293:Adolescent; D001927:Brain Diseases / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009175:Mycoplasma Infections / Q000175:diagnosis / Q000473:pathology*; D009177:Mycoplasma pneumoniae / Q000302:isolation & purification